Montage of scenes related to European mobilization and preparations for World War I, from 1914 through 1919, plus brief views of Mark VIII tank maneuvers, circa 1924. Patriotic French citizens fill a street as France mobilizes for World War 1. Italian soldiers marching to war through a town. British King George V seen with Prime Minister David Lloyd George and other British officials. British First Lord of Admiralty, Winston Churchill poses and "mugs" for camera. British troops being transported along a country road on double-decker buses and slogging through the mud in France. Two French soldiers join the line of "tommies" to be photographed, and then step out of line to watch. King George V with Field Marshal Douglas Haig, and other officers, next to their automobiles in field, during the King's visit to his troops in 1916. The King and British officers observe tests of Mark IV tank, circa 1917. Scene shifts to August 10, 1916 showing the Prince of Wales and King George V, accompanied by Field Marshal Douglas Haig, and other officers, observing the Battle of Pozières (in Battle of the Somme) from a safe distance, using a telescope. U.S. Army Mark VIII International Tanks in daytime and nighttime maneuvers (likely at Fort Meade, Maryland) circa 1924.

Major Brown Scott - American Authority on International Law, and Dr. Sidney Edward Mezes - an American philosopher, appointed as the Director of THE INQUIRY,a think tank set up by Woodrow Wilson to study the diplomatic positions. Dr. Mezes was a part of the American Commission to negotiate Peace at the treaty of Versailles in 1919.They are accompanied with their wives on the USS George Washington ship sailing to Europe for the Paris Peace Conference. View of life boat on the side of the ship. (World War I; World War 1; WWI; WW1)

U.S. Army negro troops returning home following service in Europe at the conclusion of World War 1. The 369th Infantry, 93rd Division negro troops of the New York National guard (also known as the 15th New York National Guard Regiment or Old Fifteenth; also the nickname Harlem Hellfighters), arrives at Hoboken aboard the Swedish-American ocean liner 'Stockholm'. View of their commander, Colonel William Hayward, talking to a soldier on the ship deck. Negro soldiers of the famous jazz band led by James Reese Europe play on the aft promenade deck of a smaller transport ship shuttling troops from the Stockholm to the disembarkation pier. View of Hoboken skyline buildings as they disembark at pier 97, North River, at the foot of West 57th Street and walk in line formation. A board reads 'Welcome Home'.

Following World War I, a scene of United States soldiers with their "war brides" and babies in Europe, preparing to return to the U.S. They carry their luggage in hand. A child sits in a stroller. Soldiers hold babies in their hands.

U.S. troops in Europe at the conclusion of World War 1. The soldiers embark onto a ship to return to the United States. American Army forces carrying rifles and personal gear. The soldiers aboard the ship wave towards people on docks.